Tsvagiridzo yeCanada inoratidza kuti diatomite ine zvikamu zviviri zvikuru: mvura yegungwa nemvura yakachena. Mvura yegungwa diatomite inoshanda zvakanyanya kudarika mvura yakachena diatomite mukudzora zvipembenene zvakachengetwa. Semuenzaniso, muyero we565ppm wakapihwa gorosi rakabatwa nemvura yegungwa diatomite 209, umo nzou dzemupunga dzakafumurwa kwemazuva mashanu, zvichikonzera kufa kwe90 muzana. Nemvura yakachena diatomite, pasi pemamiriro akafanana, kufa kwenzou yemupunga kunosvika 90 muzana yedosi ye1,013 PPM.
Nekuda kwekugara kwenguva refu uye kushandiswa kwakawanda kwephosphine (PH_3) semupfuhwira, chirimwa chave nekuchipikisa zvakanyanya uye hachikwanisi kuurayiwa nenzira dzekare dzephosphine fumigation. MuUK, mishonga yezvipembenene chete inonzi organophosphorus iripo pari zvino yekudzora zvipembenene zvekudya zvakachengetwa, asi zvipembenene izvi zvemakemikari hazvishande kurwisa mite yeacaroid mumadhipatimendi ezviyo uye munzvimbo dzinochengeterwa mbeu dzemafuta. Pasi pemamiriro ekushisa 15 ℃ uye humidity yakaenzana 75%, apo muyero we diatomite muzviyo waiva 0.5 ~ 5.0 g/kg, mite yeacaroid inogona kuurayiwa zvachose. Iyo acaricidal mechanism ye diatomite powder yakafanana neyezvipembenene, nokuti pane wax layer yakaonda kwazvo (cap horn layer) mu epidermal layer ye body wall ye acaroid mites.
Kushandiswa kwediatomitekudzora zvipembenene zvezviyo zvakachengetwa zvakagadziriswa mumakore gumi apfuura. Ongororo yakadzama yakaitwa kuCanada, United States, United Kingdom, Australia, Brazil neJapan, zvimwe zvirongwa zvichiri kuvandudzwa. Diatomite ihupfu, kushandiswa kwechiyero chikuru; Yakashandiswa kudzora zvipembenene zvezviyo zvakachengetwa uye kuwedzera huwandu hwezviyo. Kumhanya kwezviyo kwakachinjawo; Mukuwedzera, guruva rinowedzera, maitiro ekugadzira zviratidzo zvehutano; Matambudziko ese aya anoda kudzidzwa nekugadziriswa. China ine mhenderekedzo yegungwa yakareba uye yakawanda Marine diatomite zviwanikwa, saka nzira yekuvandudza nekushandisa iyi tupukanana tupukanana yezvipembenene zvekuchengetedza zviyo inofanirwawo kutsvagirwa.
Diatomiteinoshanda nekupwanya “chivharidzo chemvura” chechipembenene. Saizvozvo, inert powder, hupfu hune zvinhu zvakafanana nediatomite, hunogonawo kuuraya tumbuyu twakachengetwa. The inert upfu zvinhu zvinosanganisira zeolite upfu, tricalcium phosphate, amorphous silica upfu, Insecto, zvinomera madota, mupunga chaser madota, etc. Asi izvi inert upfu anoshandiswa yakakwirira doses kupfuura diatomite kudzora tupukanana zviyo zvakachengetwa. Semuenzaniso, 1 gramu yehupfu hwezvipembenene inofanira kushandiswa pakirogiramu yegorosi; Zvinotora 1-2 magiramu e-amorphous silica pakirogiramu yezviyo kuuraya zvipembenene zvezviyo zvakachengetwa. Inoshanda kushandisa 1000 ~ 2500ppm tricalcium phosphate kudzora tupukanana mune yakachengetwa tsanga ye legumes.Zeolite poda kudzora kukuvadza chibage nzou, kushandisa 5% yehuremu hwechibage; Kuchengetedza zvipembenene zvezviyo zvakachengetwa nemadota ezvirimwa, 30% yehuremu hwezviyo inofanira kushandiswa. Mune zvidzidzo zvekune dzimwe nyika, madota emiti akashandiswa kudzora zvipembenene zvezviyo zvakachengetwa. Kana madota echirimwa aitora 30% yehuremu hwechibage akasanganiswa nechibage chakachengetwa, mhedzisiro yekudzivirira chibage kubva kune zvipukanana yaive yakaenzana ne8.8ppm chlorophorus. Pane silicon mumupunga pamwe chete nemupunga, saka inoshanda zvakanyanya pane kushandisa chirimwa nematanda ehuni kudzora tupukanana dzezviyo zvakachengetwa.
Nguva yekutumira: Kubvumbi-13-2022